A charcoal canister captures potentially harmful emissions from a car’s engine and prevents them from being released into the atmosphere. A charcoal canister, also known as a vapor canister, is the part of a car’s evapor... More »

The function of a vehicle's canister purge valve is to control exactly how much fuel vapor gets purged from the charcoal canister where the vapors are temporarily stored after being trapped by the Evaporative Emission Co... More »

The main purpose of the purge control valve is to control the purging of fuel vapors precisely from the evaporative emission control system’s charcoal canister back into the engine. In modern cars, the mechanism is opera... More »

In an evaporative emission control system, the purge valve works by controlling the amount of vapor from the charcoal canister. In modern cars, the engine computer controls the purge valve. More »

The Evaporative Emission Control System (EVAP) keeps fuel vapors from leaking into the atmosphere by collecting and storing the vapors in a canister filled with carbon pellets. The carbon pellets collected by the EVAP sy... More »

Within an evaporative emission control system, a charcoal canister vent control valve prevents gasoline vapor emissions from escaping into the atmosphere. The Environmental Protection Agency requires that all new cars be... More »

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Smog certifications for a car can be obtained by taking the car to a service station authorized to run an emissions test and grant a certification. These stations are typically found by checking with the department of mo... More »

www.reference.com Vehicles Car Parts & Maintenance